INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '083cb7f469f455d5e4011523aa999e37756efcf21941e0461789f18f581b64c1', 
    '+dMfXRwdbYqMVWWK+TXJOPXZvFcFy//bh7AWXVLz9xM=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00033

Result

int(1)